FreeBSD/amd64 (nadesico.ninth-nine.com) (dcons)

login: Kernel page fault with the following non-sleepable locks held:
exclusive sleep mutex pmap (pmap) r = 0 (0xffffff0010794a60) locked @ /usr/src/sys/amd64/amd64/pmap.c:3819
exclusive sleep mutex vm page queue mutex (vm page queue mutex) r = 0 (0xffffffff8099b100) locked @ /usr/src/sys/amd64/amd64/pmap.c:3818
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
_witness_debugger() at _witness_debugger+0x65
witness_warn() at witness_warn+0x2d3
trap() at trap+0x2e5
calltrap() at calltrap+0x8
--- trap 0xc, rip = 0xffffffff804f3dab, rsp = 0xffffff80ec36d9f0, rbp = 0xffffff80ec36da80 ---
pmap_remove_pages() at pmap_remove_pages+0x29b
vmspace_exit() at vmspace_exit+0x96
exit1() at exit1+0x376
sys_exit() at sys_exit+0xe
syscall() at syscall+0x1d5
Xfast_syscall() at Xfast_syscall+0xe1
--- syscall (1, FreeBSD ELF64, sys_exit), rip = 0x84047c, rsp = 0x7fffffffe2a8, rbp = 0x7fffffffe2e0 ---


Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 02
fault virtual address   = 0x10010
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff804f3dab
stack pointer           = 0x28:0xffffff80ec36d9f0
frame pointer           = 0x28:0xffffff80ec36da80
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 52423 (cc1)
trap number             = 12
panic: page fault
VNASSERT failed
cpuid = 1
0xffffff0010f8b938: KDB: stack backtrace:
tag zfs, type VDIR
    usecount 2, writecount 0, refcount 3 mountedhere 0
    flags ()
    v_object 0xffffff003e96b288 ref 0 pages 0
d    block type zfs: UNLOCKED
_trace_self_wrapper() at db_trace_self_wrapper+0x2a
panic() at panic+0x182
trap_fatal() at trap_fatal+0x2ad
trap() at trap+0x2fc
calltrap() at calltrap+0x8
--- trap 0xc, rip = 0xffffffff804f3dab, rsp = 0xffffff80ec36d9f0, rbp = 0xffffff80ec36da80 ---
pmap_remove_pages() at pmap_remove_pages+0x29b
vmspace_exit() at vmspace_exit+0x96
exit1() at exit1+0x376
sys_exit() at sys_exit+0xe
syscall() at syscall+0x1d5
Xfast_syscall() at Xfast_syscall+0xe1
--- syscall (1, FreeBSD ELF64, sys_exit), rip = 0x84047c, rsp = 0x7fffffffe2a8, rbp = 0x7fffffffe2e0 ---
interrupt                   total
irq1: atkbd0                           3
irq16: hdac1 ohci+                    57
irq17: ehci0                           2
irq18: ohci2 ohci+                     6
irq19: fwohci0+                      100
irq21: pcm0                            1
irq22: ahci0                       27491
cpu0: timer                       736892
irq257: hdac0                          1
irq258: re0                        32033
cpu2: timer                       710963
cpu1: timer                       710471
cpu3: timer                       711037
Total                     2929057
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
hardclock() at hardclock+0x117
lapic_handle_timer() at lapic_handle_timer+0xc9
Xtimerint() at Xtimerint+0x8c
--- interrupt, rip = 0xffffffff80305870, rsp = 0xffffff80ec3193d0, rbp = 0xffffff80ec3194d0 ---
panic() at panic+0x90
_vn_lock() at _vn_lock+0xec
cache_lookup() at cache_lookup+0x4fc
vfs_cache_lookup() at vfs_cache_lookup+0xc0
VOP_LOOKUP_APV() at VOP_LOOKUP_APV+0x95
lookup() at lookup+0x414
namei() at namei+0x4d3
vn_open_cred() at vn_open_cred+0x1e8
kern_openat() at kern_openat+0x179
syscall() at syscall+0x1d5
Xfast_syscall() at Xfast_syscall+0xe1
--- syscall (5, FreeBSD ELF64, open), rip = 0x84eaac, rsp = 0x7fffffffdd78, rbp = 0x800b62a10 ---
KDB: enter: watchdog timeout
[thread pid 52424 tid 100195 ]
Stopped at      kdb_enter+0x3d: movq    $0,0x4b33f0(%rip)
db> call doadump
Physical memory: 8178 MB
Dumping 2063 MB: 2048 2032 2016 2000 1984 1968 1952 1936 1920 1904 1888 1872 1856 1840 1824 1808 1792 1776 1760 1744 1728 1712 1696 1680 1664 1648 1632 1616 1600 1584 1568 1552 1536 1520 1504 1488 1472 1456 1440 1424 1408 1392 1376 1360 1344 1328 1312 1296 1280 1264 1248 1232 1216 1200 1184 1168 1152 1136 1120 1104 1088 1072 1056 1040 1024 1008 992 976 960 944 928 912 896 880 864 848 832 816 800 784 768 752 736 720 704 688 672 656 640 624 608 592 576 560 544 528 512 496 480 464 448 432 416 400 384 368 352 336 320 304 288 272 256 240 224 208 192 176 160 144 128 112 96 80 64 48 32 16
Dump complete
= 0
db> reset